Muliawan, S. Y., P. Sudarmono, and L. Moehario. “Enzyme Linked Immunoassay for Early Diagnosis of Typhoid Fever Using <em>Salmonella typhi</em&gt; Outer Membrane Protein”. Medical Journal of Indonesia, Vol. 7, no. Supp1, Oct. 1998, pp. 211-3, doi:10.13181/mji.v7iSupp1.1113.